21025812 (number)

21025812 is an even 8-digits composite number following 21025811 and preceding 21025813. In scientific notation, it is written as 2.1025812 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 6545280 positive integers (up to 21025812) that are relatively prime to 21025812.

Interesting facts

Basic properties

Name

Name twenty-one million twenty-five thousand eight hundred twelve

Notation

Scientific notation 2.1025812 × 10^7
Engineering notation 2.1025812 × 10^6

Prime Factorization of 21025812

Prime Factorization 2 × 2 × 3 × 29 × 31 × 1949

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10512906
Product of the distinct prime numbers

The prime factorization of 21025812 is 2 × 2 × 3 × 29 × 31 × 1949. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 9, 6, 74, 642, 405, 2439, 206, 10711, 65658, 91831, 445346, 8181208, 6112628, 72378941, 57514609, 688040663, 109951085, 685484044, 3482090571

Basic calculations (n = 21025812)

Multiplication

n×y
n×2 42051624
n×3 63077436
n×4 84103248
n×5 105129060

Division

n÷y
n÷2 10512906
n÷3 7008604
n÷3 5256453
n÷5 4205162.4

Exponentiation

ny
n2 442084770259344
n3 9.2951912675362E+21
n4 1.9543894409526E+29
n5 4.1092624960254E+36

Nth Root

y√n
2√n 4585.3911501637
3√n 276.00540842164
4√n 67.715516317634
5√n 29.144093757774

Divisors of 21025812

1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 348, 372, 899, 1798, 1949, 2697, 3596, 3898, 5394, 5847, 7796, 10788, 11694, 23388, 56521, 60419, 113042, 120838, 169563, 181257, 226084, 241676, 339126, 362514, 678252, 725028, 1752151, 3504302, 5256453, 7008604, 10512906, 21025812

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21025811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21025812 can be divided by 48 positive divisors. The sum of these divisors (counting 21025812) is 1, the average is 0.020833333333333.

Base conversion 21025812

Base System Value
2 Binary 1010000001101010000010100
3 Ternary 1110120012222210
4 Quaternary 1100031100110
5 Quinary 20340311222
6 Senary 2030353420
8 Octal 120152024
10 Decimal 21025812
12 Duodecimal 705b870
16 Hexadecimal 140d414
20 Vigesimal 6b84ac
36 Base36 cinmc

Cryptographic Hash Functions

md5 4eb7c92097445852f4eaaac57277251e
sha1 4f44ed5ce43bec492e78e46d928cb1ec2187dcc4
sha256 5bb41e4337bae92fb95eaca14a7b088383aa8a713045fc131c77138b7484dd62
sha512 940e936fa90f5a8659e87bcb72d4a78a678088915c6fdd1f43c0ec040c12bd1dbdbf3d5e2a206a989b76ecac4a63493488167d93799dcee3dff3024f1180df2a
ripemd-160 464d087573a32b7792931ba56fcf242bc8398252

21025812 as geometric shapes

Circle

Radius = n
Diameter 42051624
Circumference 132109073.02992
Area 1.3888502665107E+15

Sphere

Radius = n
Volume 3.8935606133071E+22
Surface area 5.5554010660427E+15
Circumference 132109073.02992

Square

Length = n
Perimeter 84103248
Area 442084770259344
Diagonal 29734988.490307

Cube

Length = n
Surface area 2652508621556064
Volume 9.2951912675362E+21
Space diagonal 36417774.654391

Equilateral Triangle

Length = n
Perimeter 63077436
Area 1.914283208354E+14
Altitude 18208887.327196

Triangular Pyramid

Length = n
Surface area 1.914283208354E+14
Volume 1.0954487962835E+21
Height 9911662.8301023